‘误入’ is a compound verb meaning 'to enter by mistake' or 'to accidentally go into'. The first character 误 (wù) means 'mistake', 'error', or 'wrongly', while the second character 入 (rù) means 'to enter' or 'to go into'. Together, they form a concise, formal-sounding verb indicating unintentional entry—often into a place, situation, or even a conceptual domain like a field of study. It carries a slightly literary or written register and is common in news reports, travel warnings, literature, and official notices.

This term emphasizes lack of intention rather than negligence; it’s neutral in tone but may imply mild consequence (e.g., trespassing, confusion, or danger). It’s typically used with places (a forest, a restricted zone, a private property) or abstract spaces (a wrong career path, an illegal organization), and usually appears in past-tense constructions with aspect markers like 了 or 过. Unlike casual alternatives, 误入 suggests the error was plausible—due to poor signage, similar-looking entrances, or misinformation—not carelessness.